When you hear the fire alarm, which is a very loud, continuousringing noise, you should go to the nearest fire exit or fire escape as quickly as possible.
当你听到非常大的火警的声音、连续的振铃的时候，尽快地跑到最近的安全出口或者安全梯。
2
Southbank, at an eastern bend in the Thames, is the center of British skateboarding, where the continuous crashing of skateboards left your head ringing.
位于泰晤士河东部的一个转弯处的南岸，是英国滑板运动的中心，在这里，滑板不断的撞击让你的头嗡嗡作响。
3
Whispering gallery modes in silica microspheres are excited by a tunable continuous-wave laser through the fiber taper. Ringing phenomenon can be observed with high frequency sweeping speed.